Vacuum Impregnation Epoxy Sheet
1 × $0.00 Subtotal: $0.00
Vacuum impregnated products are a kind of insulation product without the gap. They are made of alkali-free glass cloth or polyester fiber cloth or other reinforced materials. They are vacuum treated in special moulds and then produced with solvent-free resin filled under high pressure.
Features and Application of Vacuum Impregnated Epoxy Glass Cloth SheetNo.
Product
Features & Application
Temperature Class
1
Vacuum Impregnated Epoxy Glass Cloth Sheet
Dense structure, low water absorption rate, good electrical and mechanical performance.
Used as structure part in HV apparatus.
B
2
Good thermal resistant, dense structure, low water absorption rate, good electrical and mechanical performance.
Used as structure part in HV apparatus.
F
Properties of Vacuum Impregnated Epoxy Glass Cloth SheetDescription
Unit
B Class
F Class
Density
g/cm3
≥1.90
≥1.90
Resin content
%
32±3
32±3
Bending strength,longitudinal
longitudinalMpa
Normal condition≥400
≥400
100℃≥300
150℃≥200
Compressive strength
Normal condition
Mpa
≥450
≥450
Tensile strength
Longitudinal，normal condition
Mpa
≥300
≥300
Water absorption
normal condition
%
≤0.15
≤0.15
Volume resistivity
normal condition
MΩ.m
≥1.0×107
≥1.0×107
Dielectric strength vertical to layers
Normal condition
Mv/m
≥18.0
≥18.0
Withstand voltage parallet to layers，1min
Kv
40
40
Arc resistance
S
≥110
≥110
